11.17. For a random sample of 66 state precincts, data are available on y = Percentage of adult residents who are registered to vote X| = Percentage of adult residents owning homes X2 = Percentage of adult residents who are nonwhitc X3 = Median family income (thousands of dollars)

X4 = Median age of residents X5 = Percentage of residents who have lived in the precinct at least 10 years.

Table 11.17 shows a portion of the printout used to analyze the data.

(a) Fill in all the missing values in the printout.

(b) Do you think it is necessary to include all five explanatory variables in the model? Explain.

(c) To what test does the "F" refer? Interpret the result of that test.

(d) To what test does the /-value opposite xl refer? Interpret the result of that test.